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6086038
GRUPO N° 5 Test NIVEL 3
Description
En este test se encuentran preguntas de las unidades 5, 6, y 7
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darwin cuenca
lady pesantez
katia chimbo
alfredo yavaicela
dayana jumbo
Quiz by
Mariu Pesántez
, updated more than 1 year ago
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Created by
Mariu Pesántez
almost 8 years ago
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Resource summary
Question 1
Question
1. Encuentre el literal correcto de la siguiente ecuación cuadrática. (3x + 4 ) (3x – 4) = (3x - 2 ) (3x - 2 ) + 12x – 20
Answer
a) 0 = 0
b) Ecuación inconsistente
c) ½
Question 2
Question
2. Dada el siguiente teorema de binomio identificar la respuesta correcta. (2ab4-4x5)elevado a la 5° Nota: buscar el 4° término.
Answer
a) -2560a2b8x15
b) +963axb23
c) -125a4b6x9
Question 3
Question
3. Hallar la respuesta correcta de la siguiente ecuación de tres variables. 2x + y + z = 7 x + y + 2z = 18 x + 2y + z = 15
Answer
a) x = 3 y = 6 z = 8
b) x = -3 y = 6 z = 9
c) x = 2 y = 4 z = 8
Question 4
Question
4. Señale el literal correcto de la siguiente inecuación. - x2 - 4x + 32 ≤ 0
Answer
a) (-∞, -8) U (4, +∞)
b) [-∞,4]
c) (-∞, -8] U [4, +∞)
Question 5
Question
5. Identifique el literal correcto de la siguiente función.
Image:
0edc8d5f-9167-4856-9ebe-1b4551e3354a (image/png)
Answer
a) Dom f = (-&, 1)U(1, +&) Rg f = (-&, 0)U(0, +&)
b) Rg g=(1, 2)-(2,1) Dom f = (0, -&)u(+&, 0)
c) Dom f = (1,+&) Rg f = (0, + &)
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